Display screen or portion thereof with icon



The sole FIGURE is a front view of a display screen or portion thereof with icon showing my new design.

The short-dashed broken lines depict features of the display screen or portion thereof with icon that form no part of the claimed design. The display screen or portion thereof drawn in long-dashed broken lines is not included in the claim. 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 